61130735173 has 8 divisors (see below), whose sum is σ = 64144958400. Its totient is φ = 58146209088.

The previous prime is 61130735137. The next prime is 61130735179. The reversal of 61130735173 is 37153703116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61130735173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61130735179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7420068 + ... + 7428301.

It is an arithmetic number, because the mean of its divisors is an integer number (8018119800).

Almost surely, 2^61130735173 is an apocalyptic number.

It is an amenable number.

61130735173 is a deficient number, since it is larger than the sum of its proper divisors (3014223227).

61130735173 is a wasteful number, since it uses less digits than its factorization.

61130735173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14848571.

The product of its (nonzero) digits is 39690, while the sum is 37.

The spelling of 61130735173 in words is "sixty-one billion, one hundred thirty million, seven hundred thirty-five thousand, one hundred seventy-three".